BSIP ROUX / SCIENCE PHOTO LIBRARY BSIP ROUX / SCIENCE PHOTO LIBRARY
Time-release drug capsules. Abstract depiction of time-release drug capsules, showing an assortment of them on a clock face. These capsules contain a number of spheres made of a drug. Variations in the size and density of the individual spheres mean that drugs are released into the small intestine at a slow steady rate. Taken orally, these are an effective way of taking drugs which are not destroyed by the gut.
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